Diamond article



FIG. 1 is an upper front perspective view of a diamond article embodying our design;

FIG. 2 is a lower rear perspective view of the diamond article shown in FIG. 1;

FIG. 3 is a front elevation view of the diamond article shown in FIGS. 1 and 2, with the rear elevation view being a mirror image thereof;

FIG. 4 is a side elevation view of the diamond article shown in FIGS. 1-3, with the opposite side elevation view being a mirror image thereof;

FIG. 5 is a top view of the diamond article shown in FIGS. 1-4; and,

FIG. 6 is a bottom view of the diamond article shown in FIGS. 1-5. 

CLAIM The ornamental design for a diamond article, as shown and described. 